//
//  WBVisitorView.swift
//  WCKweibo
//
//  Created by wukai on 17/3/1.
//  Copyright © 2017年 wuchunkai. All rights reserved.
//

import UIKit
//访客视图
class WBVisitorView: UIView {

    var visitorInfo: [String: String]? {
    
        didSet{
            //MARK: - 设置访客视图的信息
            //使用字典设置访客视图的信息 dict：【imageName / message】
       
                //1>取字典的信息
                guard let imageName = visitorInfo?["imageName"],
                    let message = visitorInfo?["message"]
                    else {
                        return
                }
                
                //2>设置消息
                tipLable.text = message
                
                //3>设置图像，首页不需要设置
                if imageName == "" {
                    startAnimation()
                    return
                }
                
                iconView.image = UIImage(named: imageName)
            
            //其他控制器的访客视图不需要显示小房子
            houseIconView.isHidden = true
            maskIconView.isHidden = true
            
            }

        
        }
    
    
    //构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
        
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    ///旋转图标的动画
    func startAnimation() {
        
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        
        //动画完成不删除，如果iconview 被释放，动画一起释放
        anim.isRemovedOnCompletion = false
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)

    }
    
    
    // MARK: - 私有控件
    //图像视图
     lazy var iconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    //图像暗视图
    lazy var maskIconView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    //小房子
     lazy var houseIconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    //提示标签
     lazy var tipLable: UILabel = UILabel.cz_label(
        withText: "关注一些人，回这里看看有什么惊喜",
        fontSize: 14,
        color: UIColor.darkGray)
    //注册按钮
    lazy var registerButton: UIButton = UIButton.cz_textButton(
        "注册", fontSize: 16,
        normalColor: UIColor.orange,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable" )
    //登录按钮
      lazy var loginButton: UIButton = UIButton.cz_textButton(
        "登录", fontSize: 16,
        normalColor: UIColor.darkGray,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable" )

}

//MARK: - 设置界面
extension WBVisitorView{

   func setupUI(){
    
    backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
    
    //1.添加控件
    addSubview(iconView)
    addSubview(maskIconView)
    addSubview(houseIconView)
    addSubview(tipLable)
    addSubview(registerButton)
    addSubview(loginButton)
    
    //文本的居中
    tipLable.textAlignment = .center
    
    //2.取消
    for v in subviews {
        v.translatesAutoresizingMaskIntoConstraints = false
    }
    
    //3.自动布局
    let margin: CGFloat = 20.0
    
    addConstraint(NSLayoutConstraint(item: iconView,
                                     attribute: .centerX,
                                     relatedBy: .equal,
                                     toItem: self,
                                     attribute: .centerX,
                                     multiplier: 1.0,
                                     constant: 0))
    addConstraint(NSLayoutConstraint(item: iconView,
                                     attribute: .centerY,
                                     relatedBy: .equal,
                                     toItem: self,
                                     attribute: .centerY,
                                     multiplier: 1.0,
                                     constant: -60 ))
    
//    addConstraint(NSLayoutConstraint(item: maskIconView,
//                                     attribute: .centerX,
//                                     relatedBy: .equal,
//                                     toItem: self,
//                                     attribute: .centerX,
//                                     multiplier: 1.0,
//                                     constant: 0))
//    addConstraint(NSLayoutConstraint(item: maskIconView,
//                                     attribute: .centerY,
//                                     relatedBy: .equal,
//                                     toItem: self,
//                                     attribute: .centerY,
//                                     multiplier: 1.0,
//                                     constant: -60 ))
    //2.小房子
    addConstraint(NSLayoutConstraint(item: houseIconView,
                                     attribute: .centerX,
                                     relatedBy: .equal,
                                     toItem: iconView,
                                     attribute: .centerX,
                                     multiplier: 1.0,
                                     constant: 0))
    addConstraint(NSLayoutConstraint(item: houseIconView,
                                     attribute: .centerY,
                                     relatedBy: .equal,
                                     toItem: iconView,
                                     attribute: .centerY,
                                     multiplier: 1.0,
                                     constant: 0 ))

    //3提示标签
    addConstraint(NSLayoutConstraint(item: tipLable,
                                     attribute: .centerX,
                                     relatedBy: .equal,
                                     toItem: iconView,
                                     attribute: .centerX,
                                     multiplier: 1.0,
                                     constant: 0))
    addConstraint(NSLayoutConstraint(item: tipLable,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
    
    addConstraint(NSLayoutConstraint(item: tipLable,
                                     attribute: .width,
                                     relatedBy: .equal,
                                     toItem: nil,
                                     attribute: .notAnAttribute,
                                     multiplier: 1.0,
                                     constant: 236))
    //注册按钮
    addConstraint(NSLayoutConstraint(item: registerButton,
                                     attribute: .left,
                                     relatedBy: .equal,
                                     toItem: tipLable,
                                     attribute: .left,
                                     multiplier: 1.0,
                                     constant: 0))
    addConstraint(NSLayoutConstraint(item: registerButton,
                                     attribute: .top,
                                     relatedBy: .equal,
                                     toItem: tipLable,
                                     attribute: .bottom,
                                     multiplier: 1.0,
                                     constant: margin))
    addConstraint(NSLayoutConstraint(item: registerButton,
                                     attribute: .width,
                                     relatedBy: .equal,
                                     toItem: nil,
                                     attribute: .notAnAttribute,
                                     multiplier: 1.0,
                                     constant: 100))
    //登录按钮
    addConstraint(NSLayoutConstraint(item: loginButton,
                                     attribute: .right,
                                     relatedBy: .equal,
                                     toItem: tipLable,
                                     attribute: .right,
                                     multiplier: 1.0,
                                     constant: 0))
    addConstraint(NSLayoutConstraint(item: loginButton,
                                     attribute: .top,
                                     relatedBy: .equal,
                                     toItem: tipLable,
                                     attribute: .bottom,
                                     multiplier: 1.0,
                                     constant: margin))
    addConstraint(NSLayoutConstraint(item: loginButton,
                                     attribute: .width,
                                     relatedBy: .equal,
                                     toItem: registerButton,
                                     attribute: .width,
                                     multiplier: 1.0,
                                     constant: 0))
    
    //6>遮罩视图
    let viewDict = ["maskIconView": maskIconView,
                    "registerButton": registerButton] as [String : Any]
    let metrics = ["spacing": -35]
    addConstraints(NSLayoutConstraint.constraints(
        withVisualFormat: "H:|-0-[maskIconView]-0-|",
        options: [],
        metrics: nil,
        views: viewDict))
    addConstraints(NSLayoutConstraint.constraints(
        withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
        options: [],
        metrics: metrics,
        views: viewDict))
    }

}












